[1]
Rachmatika, S.V. and Salighehdar , N. 2024. The Influence of Health Education via WhatsApp Media on the Level of Knowledge of Adolescents about Gastritis. Journal of Health Innovation and Environmental Education. 1, 2 (Dec. 2024), 32-37. DOI:https://doi.org/10.37251/jhiee.v1i2.1204.